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I have dell optiplex gx520 desktop computer. sytem power led is bliniking continusly but power is not on

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That is just because your computer RAM is not working well. You just need to refix the RAM sticks and check.If its not working again, put the RAM sticks in another system and make sure its not faulty. An Power supply (SMPS) providing improper power may also cause this problem.
So check to things;
1. RAM Sticks
2.SMPS

Posted on Mar 19, 2011

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How to solve orange solid light on my dell GX520 when i boot it


Nana, A solid amber power button on your GX520, indicates a motherboard failure. The motherboard will need replaced. Check the attached links,instruction and guides, Good luck
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If the power light is blinking amber - The computer is receiving electrical power, but an internal power problem might exist.

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1,4 diagnostic stable lights


A) What is the Power On LED light doing?

B) What is a Battery light?

Post back in a Comment

In the meantime, see if there is an unused KNOWN to be working computer; that you can borrow the Power Supply from temporarily.
DON'T install it yet.

Regards,
joecoolvette

Feb 19, 2013 | Dell OptiPlex GX520 PC Desktop

2 Answers

My GX520 pwr light is green, on the board is an amber Led, the somputer boots up, it goes the full process, until the arrow appears on the monitor. no Iconn are displayed on the desktop


If your computer gets to that stage, then I would guess you have an OS ( Operating System ) problem. Try booting from your XP installation CD. If that works then you may have to re-install Windows.

Jun 23, 2012 | Dell OptiPlex GX520 PC Desktop

1 Answer

Power led blinking


1) the function can be the power supply box ffaulty, see if the fan are RUN, and test the power supply for +5VDC, otherwise is faulty the p.supply box
2) However you must RUN the software from DELL coming with the computer, or contact DELL for chat ONLINE,

God bless you

Jun 19, 2012 | Dell OptiPlex GX520 PC Desktop

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Dell Optiplex gX520 will not boot beyond the splash screen. Dell Optiplex gX520 will not boot beyond the splash screen. There are not post code beeps.The lights on the front panel are 1 and 4. Both are...


Sounds like you may have multiple problems. Suggest trying to eliminate possible causes by removing components. Remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged. Remove the components one at a time and see if the LED's change.

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DELL GX 520 Motherboard power led is orange, power button led is orange, the fun is running, no beep, no display....somebody help me with this dell gx520. sometimes it displays 3 and 4 lights on the front...


you should replace the motherboard or the power supply of your computer. to determine which one to replace is a simple test. disconnect all that is connected to the motherboard and if the problem is still there, then the problem is the motherboard.

May 06, 2011 | Dell OptiPlex GX520 PC Desktop

1 Answer

I have a dell optiplex GX520 the computer comes on and shuts off in about ten seconds. Changed the power supply and checked all connections. Any Idea?


Try to make reset in your dell mother board.once you reset your problem will be solved,but afterworlds you need to run it in normal mode.

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